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1. A standard procedure that is followed mindlessly
   "the union's support had been in lockstep for years"
    
2. A manner of marching in file in which each person's leg moves with and behind the corresponding leg of the person ahead
   "the prisoner's ankles were so chained together that they could only march in lockstep"

Derived forms: locksteps

Type of: march, SOP, standard operating procedure, standard procedure, standing operating procedure

Encyclopedia: Lockstep